Prevalence and Risk Factors of Toxoplasmosis among Pregnant Women in Fortaleza, Northeastern Brazil

Susann Sroka Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Nina Bartelheimer Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Andreas Winter Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Jörg Heukelbach Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Liana Ariza Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Heliane Ribeiro Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Fabíola Araujo Oliveira Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Ajax Jose Nogueira Queiroz Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Carlos Alencar Jr. Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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Oliver Liesenfeld Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany; Department of Gynecology and Obstetrics, Department of Pathology, Department of Laboratory Medicine, Department of Community Health, Post-Graduation Program in Medical Sciences, School of Medicine, Federal University of Ceará, Fortaleza, Brazil

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We determined the seroprevalence of Toxoplasma gondii and associated risk factors among 963 pregnant women attending an obstetric hospital in Fortaleza, Brazil. Seroprevalences of IgG and IgM against T. gondii were 68.6% (95% confidence interval [CI] = 65.6–71.6%) and 0.5% (95% CI = 0.06–1.0%), respectively. Seroprevalence of IgG was high in women less than 25 years of age (91.7%) and in low-income women (odds Ratio [OR] = 1.40, 95% CI = 1.02–1.90). Multivariate regression analysis showed that consumption of homemade water ice (adjusted OR = 1.49, 95% CI = 1.09–2.04), vegetables washed with untreated water (adjusted OR = 1.43, 95% CI = 1.05–1.94), consumption of chicken (adjusted OR = 1.49, 95% CI = 1.12–2.0), and dog ownership (adjusted OR= 1.46, 95% CI = 1.07–1.98) were factors associated with IgG seropositivity. Young women in northeastern Brazil living under poor socioeconomic conditions are at highest risk for acquiring infection with T. gondii. Oocyst contamination of water and soil must be addressed in future prevention strategies.

Author Notes

*Address correspondence to Oliver Liesenfeld, Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm 27, 12203 Berlin, Germany. E-mail: oliver.liesenfeld@charite.de

Financial support: Jörg Heukelbach is research fellow from the Conselho Nacional de Desenvolvimento Científico e Tecnológico/Brazil. Susann Sroka, Nina Bartelheimer, and Andreas Winter were supported by grants from the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior/Deutscher Akademischer Austausch Dienst Integrated Projects in University Co-operation between Brazil and Germany academic exchange program.

Authors' addresses: Susann Sroka, Nina Bartelheimer, Andreas Winter, and Oliver Liesenfeld, Institute for Microbiology and Hygiene, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Hindenburgdamm, Berlin, Germany. Jörg Heukelbach, Liana Ariza and Fabíola Araujo Oliveira, Department of Community Health, School of Medicine, Federal University of Ceará, Rua Prof. Costa Mendes, Fortaleza, Brazil. Heliane Ribeiro, Laboratório Central do Hospital Universitário Walter Cantídio, Laboratory, Federal University of Ceará, Rua Capitão Francisco Pedro, Fortaleza, Brazil. Ajax José Nogueira Queiroz, Department of Pathology, Faculty of Medicine, School of Medicine, Federal University of Ceará, Rua Monsenhor Furtado S/N, Fortaleza, Brazil. Carlos Alencar Jr, Department of Gynecology and Obstetrics, School of Medicine, Federal University of Ceará, Maternidade Escola Assis Chateaubriand, Rua Cel Nunes de Melo S/N, Fortaleza, Brazil.

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